Finding the Fourth Proportional to 1,192,264.42, 1,644,492.09 and 809,626.90
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Solution
The fourth proportional to 1,192,264.42, 1,644,492.09 and 809,626.90 is: 1,116,719.59
Step by Step Solution
- Step 1: Write the proportion equation
1,192,264.42 : 1,644,492.09 = 809,626.90 : x - Step 2: Convert to fraction form
1,192,264.42/1,644,492.09 = 809,626.90/x - Step 3: Cross multiply
1,192,264.42x = 1,644,492.09 × 809,626.90 - Step 4: Simplify right side
1,192,264.42x = 1,331,425,032,901.22 - Step 5: Solve for x
x = 1,331,425,032,901.22/1,192,264.42 - Step 6: Final answer
x = 1,116,719.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.